Subscribe now

Letter: First class post

Published 13 January 2016

If they escape to the wild, will they form dyes in surface waters, disrupting the food chain?
Sandra Knuteson ponders possible downsides of growing dyestuffs in microbes (9 January, p 18).

Issue no. 3056 published 16 January 2016

New Scientist issue 3056 cover

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop